A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

The chance of Mr John winning the lottery is 10%. All participants lined up and Mr John is 4th in the row. The first three participants lose the lottery.

What is the chance of Mr John now?

There is a square piece of paper with a hole that is denoted by the circle on the top right side in the given picture. You have to cut the paper in a manner that it forms two and only two separate pieces of paper and then rearrange the pieces in a manner that the holes come in the centre of the paper.

How many bricks does it take to complete a building that is 15 feet wide, 30 feet deep, and 12 feet tall made of brick?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

After teaching his class all about Roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The teacher's only stipulation was that the pen could not be lifted from the paper until the line was complete.

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?